<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        /* 径向渐变，圆形渐变 */
        body{
            /* 角度，当前颜色，渐变色 */
            background-image: linear-gradient(43deg, #4158D0 0%, #C850C0 46%, #FFCC70 100%);
        }
    </style>
</head>
<body>
</body>
</html>